Question

Short answer questions:-
1. Write two examples for each of the following .

a. Food items rich in fat.

b. Food items rich in protein.

2. What is a physical change? Explain with example.

3. List the common characteristics of living things.

4. Plants take in oxygen and give out carbon dioxide during respiration all the

time. Why do we then say that plants supply oxygen to the air?

5. A potato remains a potato even after it is cooked. Therefore, cooking is a

physical change. Do you agree? Give reasons.

6. Write the functions of water in our body.

7. List various types of nutrients and write the functions of each ​

Answer 1

Answer:

1. fish and cheese

2.dairy products and meat

3. sensitivity or response to the environment, reproduction, growth and development

4.plants inhale carbon dioxide during the day and oxygen during the night except tulsi and they give out oxygen during the day.

5. physical change.

6.Regulates body temperature.

Moistens tissues in the eyes, nose and mouth.

Protects body organs and tissues.

Carries nutrients and oxygen to cells.

Lubricates joints.

Lessens burden the on kidneys and liver by flushing out waste products.

Helps dissolve minerals.